1971-1979 Oil Return Adapter for 1600cc Case without Machining
Designed to add a full flow Air Cooled VW Oil System without machining the crankcase. Screws into the rear oil bypass galley (spring and plunger must be removed) and provides the return route for oil from a full flow pump cover. Installs without engine removal. It has an 8mm male fitting.
Also known under these part numbers: (For reference only)